PL336405A1 - Method of purifying isoquinoline - Google Patents
Method of purifying isoquinolineInfo
- Publication number
- PL336405A1 PL336405A1 PL33640599A PL33640599A PL336405A1 PL 336405 A1 PL336405 A1 PL 336405A1 PL 33640599 A PL33640599 A PL 33640599A PL 33640599 A PL33640599 A PL 33640599A PL 336405 A1 PL336405 A1 PL 336405A1
- Authority
- PL
- Poland
- Prior art keywords
- isoquinoline
- purifying
- purifying isoquinoline
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D217/00—Heterocyclic compounds containing isoquinoline or hydrogenated isoquinoline ring systems
- C07D217/02—Heterocyclic compounds containing isoquinoline or hydrogenated isoquinoline ring systems with only hydrogen atoms or radicals containing only carbon and hydrogen atoms, directly attached to carbon atoms of the nitrogen-containing ring; Alkylene-bis-isoquinolines
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Other In-Based Heterocyclic Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1998150645 DE19850645C1 (en) | 1998-11-04 | 1998-11-04 | Single stage recovery of high purity isoquinoline, useful e.g. as starting material for drugs or dyes, by crystallizing isoquinoline fraction from coal-tar having restricted quinoline and quinaldine contents |
Publications (2)
Publication Number | Publication Date |
---|---|
PL336405A1 true PL336405A1 (en) | 2000-05-08 |
PL195193B1 PL195193B1 (en) | 2007-08-31 |
Family
ID=7886541
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PL336405A PL195193B1 (en) | 1998-11-04 | 1999-11-04 | Method of purifying isoquinoline |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0999210B1 (en) |
JP (1) | JP3550059B2 (en) |
CN (1) | CN1145611C (en) |
CZ (1) | CZ296565B6 (en) |
DE (2) | DE19850645C1 (en) |
DK (1) | DK0999210T3 (en) |
PL (1) | PL195193B1 (en) |
RU (1) | RU2224749C2 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003073359A (en) * | 2001-09-04 | 2003-03-12 | Kanegafuchi Chem Ind Co Ltd | Method for refining isoquinoline |
CN101747269B (en) * | 2009-12-23 | 2012-07-18 | 上海煦旻化工科技发展有限公司 | Purification method of isoquinoline |
CN103641780B (en) * | 2013-12-05 | 2016-08-17 | 南京理工大学 | A kind of method of purifying isoquinoline from coal tar crude product |
CN107382850A (en) * | 2017-09-25 | 2017-11-24 | 贾海亮 | A kind of 2 methylquinoline and its isomer and the separation method of isoquinolin |
CN113461613A (en) * | 2021-07-19 | 2021-10-01 | 上海万容医药化工有限公司 | Method for purifying isoquinoline |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2483420A (en) * | 1946-03-08 | 1949-10-04 | Koppers Co Inc | Purification of isoquinoline |
-
1998
- 1998-11-04 DE DE1998150645 patent/DE19850645C1/en not_active Expired - Fee Related
-
1999
- 1999-10-20 DK DK99120759T patent/DK0999210T3/en active
- 1999-10-20 EP EP19990120759 patent/EP0999210B1/en not_active Expired - Lifetime
- 1999-10-20 DE DE59911321T patent/DE59911321D1/en not_active Expired - Lifetime
- 1999-11-02 JP JP31227599A patent/JP3550059B2/en not_active Expired - Fee Related
- 1999-11-03 RU RU99123440/04A patent/RU2224749C2/en not_active IP Right Cessation
- 1999-11-03 CZ CZ0389899A patent/CZ296565B6/en not_active IP Right Cessation
- 1999-11-04 CN CNB991222539A patent/CN1145611C/en not_active Expired - Fee Related
- 1999-11-04 PL PL336405A patent/PL195193B1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CN1253133A (en) | 2000-05-17 |
CZ296565B6 (en) | 2006-04-12 |
PL195193B1 (en) | 2007-08-31 |
EP0999210A1 (en) | 2000-05-10 |
CZ9903898A3 (en) | 2001-03-14 |
DE19850645C1 (en) | 2000-03-23 |
RU2224749C2 (en) | 2004-02-27 |
JP2000143633A (en) | 2000-05-26 |
DE59911321D1 (en) | 2005-01-27 |
JP3550059B2 (en) | 2004-08-04 |
CN1145611C (en) | 2004-04-14 |
DK0999210T3 (en) | 2005-04-25 |
EP0999210B1 (en) | 2004-12-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RECP | Rectifications of patent specification | ||
LAPS | Decisions on the lapse of the protection rights |
Effective date: 20101104 |